👉 In programming, "ardeb" is a term that refers to an abstract data type in C++ or Java. An abstract data type is a class that cannot be instantiated and has no constructor. In other words, it's like a template parameter that can't have its value changed. Here's a simple example of how you might define an abstract data type: ```cpp class A { public: virtual void display() const; }; class B : public A { public: void display